Weather in South Riding, Virginia
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
South Riding, VA
Sunday, May 17 at 4:08 AM
67
°
Clear
Feels like
68°
Humidity
73%
Wind
3 mph
Sunrise
5:55 AM
Sunset
8:17 PM
South Riding, VA
Hour by hour · 24h
52°
12a
51°
1a
51°
2a
51°
3a
52°
4a
51°
5a
53°
6a
54°
7a
55°
8a
57°
9a
59°
10a
62°
11a
64°
12p
66°
1p
68°
2p
70°
3p
72°
4p
72°
5p
72°
6p
70°
7p
68°
8p
62°
9p
59°
10p
57°
11p
South Riding, VA
7-day forecast
- TodayMay 17Light Drizzle16%89°60°
- MondayMay 18Heavy Drizzle11%97°64°
- TuesdayMay 19Overcast—95°63°
- WednesdayMay 20Showers78%94°64°
- ThursdayMay 21Light Drizzle39%61°55°
- FridayMay 22Drizzle58%57°50°
- SaturdayMay 23Light Drizzle43%68°51°
South Riding, VA
Next 24 hours · Cool now
South Riding, VA
Anemometer · 24h winds · from true
From · True
SW
219° · veering 47°
Direction
SW
219°
Sustained
3
mph
Gust
4
mph
Peak 24h
24
avg 4
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
−24h−18h−12h−6hnow
South Riding, VA
Air quality
55
AQI
Moderate
- PM 2.5
- 9.7 μg/m³
- PM 10
- 10.1 μg/m³
- NO₂
- 9.1 μg/m³
- Ozone
- 70.0 μg/m³
- UV Index
- 0.0 Low
South Riding, VA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:27 AM
Sunrise
5:55 AM
Daylight
14h 22m
Sunset
8:17 PM
Civil dusk
12:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
South Riding, VA
The moon
New Moon
0% illuminated
- Moonrise
- 10:01 AM
- Moonset
- 12:43 AM
- In sign
- ♊︎ Gemini
South Riding, VA
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
South Riding at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: April 9 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Warm-season window is open
As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.